{"uid":"cap_ivG4vNEq4MX9Y8crQE3Oz","slug":"whale-momentum-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-e3a623c8","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://whale-momentum.agentdiet.dev/v1/email-check)","url":"https://whale-momentum.agentdiet.dev/v1/email-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5Qldmq1F6z8RXm2UR1n2D","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"whale-momentum.agentdiet.dev","brandSlug":"whale-momentum-agentdiet-dev-mpp","brandBaseUrl":"https://whale-momentum.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX, SPF, and DMARC record presence.","exampleAgentPrompt":"Can you check whether john.smith@acmecorp.com is a real, deliverable email — including whether the domain has valid MX records and isn't a disposable or burner provider?","exampleUseCases":[{"title":"Pre-send lead list scrubbing","prompt":"Before I upload these leads to my email campaign, can you verify that jane.doe@prospectco.com is a legitimate deliverable address — not a throwaway email — and that the domain has proper MX and SPF records set up?"},{"title":"SaaS signup fraud prevention","prompt":"A new user just signed up with signup123@mailinator.com — can you check if that's a disposable or burner email address so I can decide whether to block the registration?"},{"title":"B2B domain email audit","prompt":"I'm vetting a potential partner and want to know if their contact address deals@partnerco.io is reachable — does the domain have MX records, and are SPF and DMARC configured correctly?"}],"resultDescription":"Returns a structured object indicating whether the email address passes syntax validation, whether the domain is associated with a known disposable or burner provider, whether the address appears to be a role account (e.g. admin@, noreply@), and whether live DNS MX, SPF, and DMARC records exist for the domain — giving a comprehensive deliverability and legitimacy assessment.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout or failure may cause incomplete MX/SPF/DMARC results","Newly registered domains may not yet have propagated DNS records, causing false negatives","Disposable provider databases may lag behind newly created burner services","Non-existent TLDs or completely malformed addresses may return error responses"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email deliverability and legitimacy check that goes beyond simple syntax validation — specifically when you need live DNS MX record confirmation, SPF/DMARC policy presence, disposable provider detection, and role account flagging in a single API call. Prefer this over basic regex-only validators when data quality, fraud prevention, or email campaign hygiene is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:50.723Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-44657b70"}